- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 51/083 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid anhydrides
Patent holdings for IPC class C07C 51/083
Total number of patents in this class: 30
10-year publication summary
|
1
|
1
|
1
|
1
|
7
|
1
|
4
|
2
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nouryon Chemicals International B.V. | 603 |
4 |
| Boehringer Ingelheim International GmbH | 4701 |
2 |
| Milliken & Company | 1194 |
2 |
| Cleantech Building Materials Plc | 3 |
2 |
| BASF SE | 20758 |
1 |
| ExxonMobil Chemical Patents Inc. | 4027 |
1 |
| Vertex Pharmaceuticals Incorporated | 1593 |
1 |
| Biogen Inc. | 18 |
1 |
| Chang Gung University | 122 |
1 |
| Krause-rohm-systeme AG | 6 |
1 |
| Lek Pharmaceuticals d.d. | 208 |
1 |
| New Japan Chemical Co., Ltd. | 64 |
1 |
| Novomer, Inc. | 211 |
1 |
| Osaka Organic Chemical Industry Ltd. | 131 |
1 |
| Rheinisch-westfalische Technische Hochschule Aachen | 132 |
1 |
| Saltigo GmbH | 60 |
1 |
| Sun Chemical B.V. | 359 |
1 |
| Titan Wood Limited | 61 |
1 |
| The United States of America, as represented by the Secretary of Agriculture | 1093 |
1 |
| Watson Laboratories, Inc. | 18 |
1 |
| Other owners | 4 |